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Finding the Fourth Proportional to 868,607, 1,198,648.68 and 481,405.92

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Solution

The fourth proportional to 868,607, 1,198,648.68 and 481,405.92 is: 664,324.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,607 : 1,198,648.68 = 481,405.92 : x
  2. Step 2: Convert to fraction form
    868,607/1,198,648.68 = 481,405.92/x
  3. Step 3: Cross multiply
    868,607x = 1,198,648.68 × 481,405.92
  4. Step 4: Simplify right side
    868,607x = 577,036,570,552.19
  5. Step 5: Solve for x
    x = 577,036,570,552.19/868,607
  6. Step 6: Final answer
    x = 664,324.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.